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Idioms are fun phrases where the words together mean something entirely different from what the words say by themselves. People use them in daily chats and stories to make conversations much more colorful and exciting. In this lesson, you will learn fifty handy idioms that relate to useless effort and doing work that gets no results.
In this lesson, we’ll look at idioms that mean wasting time on tasks that go nowhere. Let’s get started and explore some of these helpful expressions.
Idioms for Useless Effort
1. Beat a dead horse
Definition: To waste time and energy trying to discuss or fix something that is already finished and unchangeable.
Used in a Sentence: There is no use trying to change the score now because arguing about it is like trying to beat a dead horse. / He kept complaining about the lost game, but his coach told him not to beat a dead horse.
Similar Expressions: Waste energy / Argue in vain
2. Wild goose chase
Definition: A foolish and hopeless pursuit of something that is impossible to find or achieve.
Used in a Sentence: Looking for my lost red marker in the huge playground turned out to be a wild goose chase. / Do not send us on a wild goose chase trying to find a blue puppy.
Similar Expressions: Hopeless search / Foolish errand
3. Flogging a dead horse
Definition: Continuing to put effort into a task or argument that cannot possibly succeed.
Used in a Sentence: Trying to fix this ancient broken toy radio is just flogging a dead horse. / She spent hours arguing a point that was already decided, like flogging a dead horse.
Similar Expressions: Useless persistence / Wasting effort
4. Pissing in the wind
Definition: Doing an action that is completely ineffective and accomplishes nothing useful.
Used in a Sentence: Arguing with the stubborn rules without trying to understand them felt like pissing in the wind. / Trying to stop the heavy rain with an open book is like pissing in the wind.
Similar Expressions: Useless action / Ineffective effort
5. Carry water in a sieve
Definition: Trying to perform a task that is impossible because everything leaks out.
Used in a Sentence: Expecting him to keep a secret when he tells everyone is like trying to carry water in a sieve. / Fixing that leaky bucket with holes is like trying to carry water in a sieve.
Similar Expressions: Impossible task / Futile attempt
6. Raining on a duck’s back
Definition: Effort spent trying to influence someone who pays no attention at all.
Used in a Sentence: Giving advice to my stubborn little brother is like water raining on a duck’s back. / Our warnings about safety fell like raining on a duck’s back.
Similar Expressions: Ignored advice / Useless warning
7. Grasping at straws
Definition: Desperately trying any useless idea when all hope of success is gone.
Used in a Sentence: When he failed the math quiz, he started grasping at straws for extra credit. / She knew she did not know the answer, so she was just grasping at straws.
Similar Expressions: Desperate attempt / Futile clutch
8. Spinning your wheels
Definition: Working hard with high energy but making zero actual progress.
Used in a Sentence: I tried to solve the riddle for an hour, but I was just spinning my wheels. / The car tires got stuck in the mud, and we were just spinning our wheels.
Similar Expressions: Making no progress / Wasting motion
9. Barking up the wrong tree
Definition: Directing your efforts and accusations toward the wrong source or goal.
Used in a Sentence: If you think I took your colored pencils, you are barking up the wrong tree. / The detective realized he was barking up the wrong tree for clues.
Similar Expressions: Mistaken effort / Looking incorrectly
10. Ploughing the sand
Definition: Doing hard agricultural or daily labor that leaves no permanent mark.
Used in a Sentence: Trying to teach that trick to our lazy cat felt like ploughing the sand. / Without proper tools, organizing this messy room feels like ploughing the sand.
Similar Expressions: Fruitless labor / Useless toil
11. Washing a black dog
Definition: Trying persistently to change something that can never be altered.
Used in a Sentence: Trying to change his stubborn mind about pizza toppings is like washing a black dog. / Some habits are so fixed that trying to change them feels like washing a black dog.
Similar Expressions: Impossible change / Futile task
12. Carrying coals to Newcastle
Definition: Bringing something to a place where there is already an abundance of it.
Used in a Sentence: Bringing extra snacks to our school cafeteria party is like carrying coals to Newcastle. / Offering to teach my mom how to bake cookies is carrying coals to Newcastle.
Similar Expressions: Redundant effort / Unnecessary action
13. Reventing the wheel
Definition: Wasting time trying to create something that already exists and works.
Used in a Sentence: Do not waste time making a new calendar layout because we can just use the old one instead of inventing the wheel. / Designing a brand new game piece when we have hundreds is reinventing the wheel.
Similar Expressions: Redundant creation / Wasted design
14. Making bricks without straw
Definition: Trying to complete a job without having the necessary materials or support.
Used in a Sentence: Expecting us to bake a cake without flour or sugar is like making bricks without straw. / Working on the project with broken markers felt like making bricks without straw.
Similar Expressions: Lacking supplies / Impossible work
15. Shoveling smoke
Definition: Trying to catch or handle something that is completely intangible and useless.
Used in a Sentence: Trying to trap rumors in the school hallway is like shoveling smoke. / His vague plans for the clubhouse felt like shoveling smoke.
Similar Expressions: Chasing smoke / Useless task
16. Drawing water with a bottomless bucket
Definition: Working continuously on a task that can never be finished.
Used in a Sentence: Trying to tidy the playroom while my little brother scatters toys is like drawing water with a bottomless bucket. / Cleaning the endless classroom desk mess felt like drawing water with a bottomless bucket.
Similar Expressions: Endless labor / Fruitless chore
17. Writing in water
Definition: Doing actions or making promises that disappear instantly and leave nothing behind.
Used in a Sentence: His promise to help clean the garage turned out to be writing in water. / Without notes, studying for the test felt like writing in water.
Similar Expressions: Temporary action / Fading effort
18. Building on sand
Definition: Creating a plan or project on a weak foundation that will collapse.
Used in a Sentence: Starting a complex science project without doing research is like building on sand. / A story written without an outline is like building on sand.
Similar Expressions: Weak foundation / Fragile plan
19. Pouring water into a sieve
Definition: Spending energy on a task where everything is immediately lost.
Used in a Sentence: Giving advice to him about saving allowance money is like pouring water into a sieve. / Trying to keep juice in a cup with a hole is pouring water into a sieve.
Similar Expressions: Wasting resources / Futile pouring
20. Chasing rainbows
Definition: Pursuing an unrealistic and impossible dream with zero chance of success.
Used in a Sentence: Hoping to find a real pot of gold at the park is just chasing rainbows. / Dreaming of winning the lottery without buying a ticket is chasing rainbows.
Similar Expressions: Impractical dream / Chasing illusions
21. Milk a bull
Definition: Expecting results from something that is completely incapable of providing them.
Used in a Sentence: Asking that broken vending machine for candy is like trying to milk a bull. / Expecting him to cook dinner when he cannot boil water is like trying to milk a bull.
Similar Expressions: Impossible expectation / Useless demand
22. Preaching to the choir
Definition: Giving advice or effort to people who already agree with you and do not need it.
Used in a Sentence: Reminding our class to be kind during assembly is just preaching to the choir. / Telling my friends that pizza is delicious is preaching to the choir.
Similar Expressions: Unneeded advice / Pointless lecture
23. Buying a pig in a poke
Definition: Purchasing or committing to something sight unseen, resulting in useless effort later.
Used in a Sentence: Ordering a mystery toy online without reading details is like buying a pig in a poke. / Accepting the group project topic without details was buying a pig in a poke.
Similar Expressions: Blind purchase / Unseen commitment
24. Locking the stable door after the horse has bolted
Definition: Taking precautions too late after the problem has already happened.
Used in a Sentence: Trying to hide the cookies after eating the last one is like locking the stable door after the horse has bolted. / Checking the door lock after the toys were stolen is locking the stable door after the horse has bolted.
Similar Expressions: Too late / Delayed action
25. Teaching fish to swim
Definition: Offering instructions on how to do something someone already knows perfectly.
Used in a Sentence: Explaining how to kick a soccer ball to our star player is like teaching fish to swim. / Giving my art teacher drawing tips is like teaching fish to swim.
Similar Expressions: Unneeded lesson / Pointless instruction
26. Beating the air
Definition: Wasting physical energy on fighting or working against nothing.
Used in a Sentence: He swung his baseball bat wildly at imaginary pitches, just beating the air. / Complaining about bad weather that has already passed is like beating the air.
Similar Expressions: Wasted swings / Fighting nothing
27. Looking for a needle in a haystack
Definition: Searching for something small in a massive place, making the effort nearly useless.
Used in a Sentence: Finding my tiny green Lego block in the toy bin was like looking for a needle in a haystack. / Searching for a specific paper clip in the messy desk drawer felt like looking for a needle in a haystack.
Similar Expressions: Impossible search / Difficult find
28. Tilting at windmills
Definition: Fighting imaginary enemies or wasting energy on imaginary battles.
Used in a Sentence: Worrying about monsters under the bed is just tilting at windmills. / He spent the whole afternoon arguing about silly rules, tilting at windmills.
Similar Expressions: Fighting imaginary foes / Pointless battle
29. Chasing your own tail
Definition: Going around in circles while working hard without making progress.
Used in a Sentence: I forgot where I put my pencil and spent ten minutes chasing my own tail around the room. / Organizing the messy bookshelf without a plan had us chasing our own tails.
Similar Expressions: Going in circles / Useless running
30. A drop in the ocean
Definition: An effort so tiny compared to the huge problem that it feels useless.
Used in a Sentence: Cleaning up one piece of trash on the massive beach felt like a drop in the ocean. / My tiny donation to the huge fundraiser was just a drop in the ocean.
Similar Expressions: Tiny amount / Insignificant effort
31. Fighting a losing battle
Definition: Continuing to try to win a contest or task that is already destined to fail.
Used in a Sentence: Trying to keep my white sneakers clean on a muddy playground was a losing battle. / Studying for a test with zero notes felt like fighting a losing battle.
Similar Expressions: Doomed effort / Hopeless fight
32. Crying for the moon
Definition: Desiring something that is completely out of reach and impossible to get.
Used in a Sentence: Asking our teacher for a class pet elephant is like crying for the moon. / Wishing for a robot helper to do all my chores is crying for the moon.
Similar Expressions: Impossible wish / Unrealistic desire
33. Sowing seeds on stone
Definition: Putting hard work into an environment where nothing can ever grow.
Used in a Sentence: Trying to explain art rules to an empty room is like sowing seeds on stone. / Giving study tips to someone who refuses to listen is sowing seeds on stone.
Similar Expressions: Wasted labor / Fruitless planting
34. Whistling in the wind
Definition: Expressing wishes or making efforts that nobody hears or cares about.
Used in a Sentence: Asking the loud stadium crowd to quiet down while cheering is like whistling in the wind. / His complaints about the boring movie were just whistling in the wind.
Similar Expressions: Unheard pleas / Ignored words
35. Straining at a gnat and swallowing a camel
Definition: Making a huge fuss over a tiny useless detail while ignoring the main problem.
Used in a Sentence: Spending an hour fixing one comma while the essay has no ending is straining at a gnat and swallowing a camel. / Worrying about a tiny pencil smudge during a major test is straining at a gnat and swallowing a camel.
Similar Expressions: Missing the big picture / Focusing on tiny flaws
36. Drawing on a frosted window
Definition: Making temporary marks that disappear quickly without leaving results.
Used in a Sentence: Trying to leave notes in the steam on the glass door felt like drawing on a frosted window. / Making plans without writing them down is like drawing on a frosted window.
Similar Expressions: Temporary mark / Fading effort
37. Barking at the moon
Definition: Complaining or shouting about something you can never change or reach.
Used in a Sentence: Yelling at the rainy sky to stop falling is just barking at the moon. / Protesting about the school schedule change is barking at the moon.
Similar Expressions: Useless complaints / Crying out vainly
38. Pouring oil on troubled fire
Definition: Trying to fix a problem but actually making the useless effort worse.
Used in a Sentence: Arguing back during a disagreement is like pouring oil on troubled fire. / Trying to fix the broken puzzle piece with glue made it shatter more, pouring oil on troubled fire.
Similar Expressions: Worsening things / Backfiring effort
39. Catching wind in a net
Definition: Trying to capture something that cannot be held or controlled.
Used in a Sentence: Trying to stop rumors from spreading in school is like catching wind in a net. / Holding onto flowing water with your bare hands is like catching wind in a net.
Similar Expressions: Impossible capture / Futile trap
40. Measuring a well with a short rope
Definition: Attempting a task with tools that are entirely too small or inadequate.
Used in a Sentence: Trying to build a treehouse with only a plastic butter knife is like measuring a well with a short rope. / Studying for a major test using a one-page summary is measuring a well with a short rope.
Similar Expressions: Inadequate tools / Poor preparation
41. Counting chickens before they hatch
Definition: Making plans based on a success that has not happened yet, wasting effort.
Used in a Sentence: Buying a trophy before the game is even played is counting chickens before they hatch. / Do not plan how to spend prize money before winning, or you are counting chickens before they hatch.
Similar Expressions: Premature planning / Overconfident effort
42. Fighting windmills
Definition: Wasting energy battling imaginary problems instead of real work.
Used in a Sentence: Worrying about ghosts in the closet is just fighting windmills. / He spent hours arguing about a rule that did not exist, fighting windmills.
Similar Expressions: Tilting at windmills / Imaginary fight
43. Digging your own grave
Definition: Doing actions that cause your own failure through foolish effort.
Used in a Sentence: Skipping homework all semester is like digging your own grave for grades. / Arguing with the referee during a game is digging your own grave.
Similar Expressions: Self-sabotage / Causing own ruin
44. Running up a down escalator
Definition: Working as hard as you can but getting pushed backward by the system.
Used in a Sentence: Trying to clean my desk while my little sister keeps messing it up feels like running up a down escalator. / Studying obsolete facts for a changing test is like running up a down escalator.
Similar Expressions: Moving backward / Futile running
45. Shouting into a pillow
Definition: Making noise and expending effort that is completely muffled and ignored.
Used in a Sentence: Complaining about the cafeteria lunch rules to an empty wall is like shouting into a pillow. / His protests about the game score were just shouting into a pillow.
Similar Expressions: Muffled effort / Unheard voice
46. Paddling upstream without a paddle
Definition: Trying to accomplish a hard task without any proper equipment or help.
Used in a Sentence: Trying to build a birdhouse with no nails or hammer is paddling upstream without a paddle. / Doing complex math without a calculator or pencil felt like paddling upstream without a paddle.
Similar Expressions: Lacking gear / Hard struggle
47. Empty vessels make the most noise
Definition: People who put in the least useful effort often talk the loudest.
Used in a Sentence: The student who bragged the most did the least work on the project, proving empty vessels make the most noise. / Do not listen to loud braggars because empty vessels make the most noise.
Similar Expressions: Loud braggars / Talkative idlers
48. Making a mountain out of a molehill
Definition: Turning a tiny, useless problem into a massive, stressful ordeal.
Used in a Sentence: Getting extremely upset over a dropped pencil is making a mountain out of a molehill. / She stressed over a tiny typo in her draft, making a mountain out of a molehill.
Similar Expressions: Overreacting / Big fuss over nothing
49. Grasping at shadows
Definition: Trying to catch things that are fake, invisible, or completely useless.
Used in a Sentence: Chasing after fake rumor stories is just grasping at shadows. / He spent his whole afternoon grasping at shadows of quick wealth.
Similar Expressions: Chasing illusions / Futile pursuit
50. Carrying water to the river
Definition: Doing extra work that adds nothing new because there is already plenty.
Used in a Sentence: Watering a wet garden during a rainstorm is like carrying water to the river. / Giving me advice on drawing when I already know how is carrying water to the river.
Similar Expressions: Redundant task / Useless addition
Exercise to Practice
- There is no use trying to change the score now because arguing about it is like trying to beat a dead horse.
- Looking for my lost red marker in the huge playground turned out to be a wild goose chase.
- Trying to fix this ancient broken toy radio is just sleeping under a cozy green blanket.
- I tried to solve the riddle for an hour, but I was just spinning my wheels.
- If you think I took your colored pencils, you are barking up the wrong tree.
- Bringing extra snacks to our school cafeteria party is like carrying coals to Newcastle.
- Finding my tiny green Lego block in the toy bin was like looking for a needle in a haystack.
- Yelling at the rainy sky to stop falling is just eating chocolate ice cream for breakfast.
- Trying to stop rumors from spreading in school is like catching wind in a net.
- Buying a trophy before the game is even played is counting chickens before they hatch.
- Skipping homework all semester is like digging your own grave for grades.
- Trying to build a birdhouse with no nails or hammer is paddling upstream without a paddle.
- Spilling milk twice at dinner was the last straw for my patience.
- Getting extremely upset over a dropped pencil is making a mountain out of a molehill.
- Chasing after fake rumor stories is just grasping at shadows.
Answer Key
- True
- True
- False
- True
- True
- True
- True
- False
- True
- True
- True
- True
- False
- True
- True
Conclusion
Learning these idioms helps students make their speaking and writing much more colorful and descriptive. When you know what these phrases mean, you can understand stories and descriptions of futile tasks much better.
Try using one or two of these new expressions when you write a story or talk with your friends about silly chores. You will see how fun it is to bring your everyday English to life!
Frequently Asked Questions
What are some common idioms for useless effort?
Some popular idioms for useless effort include beat a dead horse for wasting time on finished arguments, wild goose chase for hopeless searches, and spinning your wheels for working without progress. These expressions make descriptions of chores and tasks much more engaging.
Why do we use idioms in English?
Idioms add personality, humor, and color to our speech and writing. Instead of using plain words, people use idioms to paint a fun mental picture for the listener or reader.
How can kids learn idioms easily?
Kids can learn idioms best by reading fun stories, connecting the phrases to everyday situations, and practicing them in sentences. Using them during games and writing exercises helps them stick in your memory.
Can an idiom mean what the words literally say?
No, idioms have a special figurative meaning that is different from the literal definition of the individual words. For example, beating a dead horse does not mean harming an animal; it means wasting energy on an unchangeable issue.
Are idioms difficult for beginners to learn?
Idioms can seem tricky at first because their meanings are hidden, but they become easy and fun once you practice them in sentences. Learning them in small groups helps children build confidence quickly.
